Imagine one day, years ago, in some equipment shed out in Middle America, an innovative farmer looking at oil dripping from the bottom of the well-seasoned 5.9L Cummins engine in his Dodge Ram pickup ...

As a vehicle's engine operates, the intake and exhaust valves open and close rapidly while the pistons move up and down in the cylinder. These mechanical actions require a constant supply of hot oil ...

Art is in the eyes of the beholder, and for "Boss" Bob Wells, the art he collects is high-performance American V-8 valve covers. There was a time when a person could walk through the aisles of their ...

It’s well known that, years ago, some genius at AMC decided it would be a good idea to put plastic valve covers on Jeep 4.2L (258ci) engines. Unfortunately, it didn’t take long for them to start ...

Engine bay decoration is an under-appreciated art because, well, it sits in the dark under the hood most of the time. But painting your valve cover and other engine parts are a great way to add ...

You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.